Income Taxes - Components of (Benefit) Provision for Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2017	Oct. 31, 2016	Oct. 31, 2015
Income Tax Disclosure [Abstract]
Federal	$ 25,420	$ (6,106)	$ (21,911)
State	5,565	2,670	1,385
Foreign	92,498	80,195	39,319
Current income tax expense (benefit), total	123,483	76,759	18,793
Federal	95,003	(23,510)	44,462
State	24,440	11,950	(2,282)
Foreign	3,609	(2,477)	(5,297)
Deferred income tax expense (benefit), total	123,052	(14,037)	36,883
Provision (benefit) for income taxes	$ 246,535	$ 62,722	$ 55,676